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The following links all refer to self-contained sets of webpages.
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<a href="1/">A single page with no embedded URLs</a><br>
<a href="2/">A single page with no embedded URLs but lots of extraneous HTML and JavaScript</a><br>
<a href="3/">A single page with several types of URLs to other pages</a><br>
<a href="4/1.html">An interconnected set of six pages, one of which links to a text file</a>
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